Re: [Puppet Users] Override resource in nested class structure

[vagn scott]

Here's one way.  It's ugly, but it works.

--
vagn


#! /usr/bin/puppet apply

# Hello everybody
#
# I have a set of nested classes and the deepest class looks after a
# file resource.  I want all my nodes to be of the parent class type
# except one of them needs a special copy of the same file resource.
# How do I override the file resource for that specific node without
# copying the entire class hierarchy for just that one node?  Example:

$default = "/tmp/foo"

define a($filename = "$default") {
  b { "b from a": filename => "$filename" }
  #...
}

define b($filename = "$default") {
  c { "c from b": filename => "$filename" }
  #...
}

define c($filename = "$default") {
  file { "$filename":
    ensure => file,
    content => "filename: $filename\n",
  }
  notice("title = $title, filename = $filename\n")
}

node default {
  a { "a from default": }
}

node 'specialnode' {
  a { "a from specialnode": filename => "/tmp/baz" }
}

# I want 'specialnode' to have it's own file 'foo' resource which
# differs from the one in class 'c'.
#
# Thank you!



On 07/01/2011 03:48 AM, Chris de Villiers wrote:

Hello everybody

I have a set of nested classes and the deepest class looks after a
file resource.  I want all my nodes to be of the parent class type
except one of them needs a special copy of the same file resource.
How do I override the file resource for that specific node without
copying the entire class hierarchy for just that one node?  Example:

class { 'a':
   include b
   ...
}

class { 'b':
   include c
   ...
}

class { 'c':
   file { 'foo':
     ensure =>  file,
     source =>  'puppet:///modules/...',
   }
}

node default {
   include a
}

node 'specialnode' {
   include a
   # OVERRIDE FILE RESOURCE 'foo' HERE!!
}

I want 'specialnode' to have it's own file 'foo' resource which
differs from the one in class 'c'.

Thank you!

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